Question: please help me with these questions 5) Explain why, according to De Morgan's Law, ~(p A q) is the same as ~p V ~q. 6)

please help me with these questions

5) Explain why, according to De Morgan's Law, ~(p A q) is the same as ~p V ~q. 6) Which of the following is a 'tautology'? p A ~p or p V ~p 7) Given the following statements, classify each compound statement as either true or false. p: 2 + 3 = 5 q: (2) (3) = 6 r: 5 + 3 = 9 s: (2)(4) = 9 a ) pv ~ q bv d (q c) pAs d ) ~q v ~r 8) Determine the truth table for the statement. a )pa~q b ) pv (q A ~ p ) c) ~ (PA q) (bv d~) v (bvd) (p e) ~pv (q v ~r)

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